seven times a number decreased by 2 equals negative 9

Question

need equation

Answer 1

Hi, Mag,

     When you have a story problem, it is good idea to underline key words.  It makes a problem easier to setup.  For example,   

 

      8x                          –   3               =        -12

8 times a number decreased by 3 equals negative 12

                                                                             Susan C.

                                            

Answer 2

7*x - 2 = -9

 

7x - 2 = -9

 

7x -2 +2 = -9 + 2

 

7x = -7

 

x = -7/7 = -1